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TQuaternion

API > API/Runtime > API/Runtime/GeometryCore

   
Name TQuaternion
Type struct
Header File /Engine/Source/Runtime/GeometryCore/Public/Quaternion.h
Include Path #include "Quaternion.h"

Syntax

template<typename RealType>  
struct TQuaternion

Constructors

Name Remarks Include Path Unreal Specifiers

TQuaternion ( const TVector< RealType >& Axis,
RealType Angle,
bool bAngleIsDegrees
)

   Quaternion.h  

TQuaternion ( const TVector< RealType >& From,
const TVector< RealType >& To
)

   Quaternion.h  

TQuaternion ( const FRotator& Rotator
)

   Quaternion.h  

TQuaternion ( const FQuat4d& Quat
)

   Quaternion.h  

TQuaternion ( const FQuat4f& Quat
)

   Quaternion.h  

PRAGMA_DISABLE_DEPRECATION_WARNINGS TQuaternion ( const TQuaternion& Copy
)

   Quaternion.h  

TQuaternion ( const TQuaternion< RealType2 >& Copy
)

   Quaternion.h  

TQuaternion ( const RealType* Values
)

   Quaternion.h  
  Quaternion.h  

TQuaternion ( const TQuaternion< RealType >& From,
const TQuaternion< RealType >& To,
RealType InterpT
)

   Quaternion.h  

TQuaternion ( const TMatrix3< RealType >& RotationMatrix
)

   Quaternion.h  

TQuaternion ( RealType X,
RealType Y,
RealType Z,
RealType W
)

   Quaternion.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
TQuaternion union UE::Geometry::TQuaternion   Quaternion.h  
W RealType   Quaternion.h  
X RealType Note: in Wm5 version, this is a 4-element arraY stored in order (w,x,y,z). Quaternion.h  
XYZW RealType   Quaternion.h  
Y RealType   Quaternion.h  
Z RealType   Quaternion.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

TVector< RealType > AxisX()

   Quaternion.h  

TVector< RealType > AxisY()

   Quaternion.h  

TVector< RealType > AxisZ()

   Quaternion.h  

RealType Dot ( const TQuaternion< RealType >& Other
) const

   Quaternion.h  

bool EpsilonEqual ( const TQuaternion< RealType >& Other,
RealType Tolerance
) const

 Test whether quaternions represent the same rotation w/in a tolerance. (Note: Considers the negative representation of the same rotation as equal.) Quaternion.h  

void GetAxes ( TVector< RealType >& X,
TVector< RealType >& Y,
TVector< RealType >& Z
) const

   Quaternion.h  

TQuaternion< RealType > Inverse()

   Quaternion.h  

TVector< RealType > InverseMultiply ( const TVector< RealType >& Other
) const

   Quaternion.h  

bool IsIdentity ( RealType Tolerance
) const

 Test whether the quaternion is EpsilonEqual to the identity quaternion (i.e., W=1 or W=-1, within tolerance) Quaternion.h  

RealType Length()

   Quaternion.h  

RealType Normalize ( const RealType epsilon
)

   Quaternion.h  

TQuaternion< RealType > Normalized ( const RealType epsilon
) const

   Quaternion.h  

void SetAxisAngleD ( const TVector< RealType >& Axis,
RealType AngleDeg
)

   Quaternion.h  

void SetAxisAngleR ( const TVector< RealType >& Axis,
RealType AngleRad
)

   Quaternion.h  

void SetFromRotationMatrix ( const TMatrix3< RealType >& RotationMatrix
)

   Quaternion.h  

void SetFromTo ( const TVector< RealType >& From,
const TVector< RealType >& To
)

 This function can take non-normalized vectors vFrom and vTo (normalizes internally) Quaternion.h  

void SetToSlerp ( TQuaternion< RealType > From,
TQuaternion< RealType > To,
RealType InterpT
)

   Quaternion.h  

RealType SquaredLength()

   Quaternion.h  

TMatrix3< RealType > ToRotationMatrix()

   Quaternion.h  

Static

Name Remarks Include Path Unreal Specifiers

static TQuaternion< RealType > Identity()

   Quaternion.h  

static TQuaternion< RealType > Zero()

   Quaternion.h  

Operators

Name Remarks Include Path Unreal Specifiers

TQuaternion< RealType > operator-()

   Quaternion.h  

operator FQuat4d()

   Quaternion.h  

operator FQuat4f()

 Available for porting: SetFromRotationMatrix(FMatrix3f) Quaternion.h  

operator FRotator()

   Quaternion.h  

const RealType & operator[] ( int i
) const

   Quaternion.h  

RealType & operator[] ( int i
)

   Quaternion.h  

TQuaternion & operator= ( const TQuaternion& Copy
)

   Quaternion.h  

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